The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- FabricatedElectrolyte (0 members)
- ParticleCurrentDensity (0 members)
- NickelSymbol (0 members)
- CurrentSource (0 members)
- SupportingElectrolyte (0 members)
- ElectricChargePerTemperatureDimension (0 members)
- Solution (0 members)
- ProtactiniumSymbol (0 members)
- MendeleviumSymbol (0 members)
- Array3D (0 members)
- Behaviour (0 members)
- MolecularEntity (0 members)
- CurrentCollector (0 members)
- AdsorptionCurrent (0 members)
- UnitSymbol (0 members)
- ElectrochemicalKineticQuantity (0 members)
- PressureTreatment (0 members)
- BatteryCyclingMeasurementResult (0 members)
- WBoson (0 members)
- ThermalConductanceDimension (0 members)
- Hecto (0 members)
- Activation (0 members)
- AtomicAttenuationCoefficient (0 members)
- Hour (0 members)
- Number (0 members)
- DepthOfDischarge (0 members)
- Exponent (0 members)
- Experiment (0 members)
- Galvanostat (0 members)
- StrangeQuark (0 members)
- MigrationCurrent (0 members)
- BatteryQuantity (0 members)
- Femto (0 members)
- WaterVehicle (0 members)
- BatteryCycler (0 members)
- RawMaterial (0 members)
- SpatiallyRedundant (0 members)
- ParticleFluence (0 members)
- Agent (0 members)
- Shape4x3Matrix (0 members)
- MolarInternalEnergy (0 members)
- Baryon (0 members)
- NeonAtom (0 members)
- Subjective (0 members)
- QuantumNumber (0 members)
- NitrogenAtom (0 members)
- Muon (0 members)
- Zepto (0 members)
- ActivityFactor (0 members)
- SubObject (0 members)